.span{color:#000;#01B3E9;font-size:20px;}
.blue{color:#01B3E9;font-size:20px;}
.red{color:red;font-size:20px;}
.black{color:black;font-size:20px;}
.a{color:red;font-size:20px;}
.green{color:green;font-size:20px;}